
Ventilation Electric Motors
Ventilation means renewing the air in a building or plant, removing contaminated air and, where needed, supplying air to a process. The roof extractor on a factory, the jet fan und... More Details

Ventilation means renewing the air in a building or plant, removing contaminated air and, where needed, supplying air to a process. The roof extractor on a factory, the jet fan und... More Details

A flour mill is a long chain of machines linked by pipes and elevators, from the silo that receives wheat to the bag. The grain is first cleaned and tempered, then broken down step... More Details

HEM Motor's three-phase range consists of 117 sale models covering 0.25 kW to 355 kW. Read this page as a map of how those 117 models are arranged along three axes — power, IEC fra... More Details

A hammer crusher is a machine in which hammers hung by pins on discs mounted along a shaft strike the rock at high speed, and the broken pieces leave by filtering through the grate... More Details

In a crushing and screening plant the hopper is the first point where rock enters the machinery; the feeder at the hopper outlet decides how fast material reaches the crusher, and ... More Details

What the machines that cut chops at a butcher's counter and split frozen carcasses in a meat plant have in common is an endless band stretched between two large wheels. The wheel t... More Details

A dough sheeter thins kneaded dough by passing it again and again through the gap between two counter-rotating rollers; puff pastry, baklava sheets, pizza bases and croissant layer... More Details

An air handling unit (AHU) filters outdoor and return air inside a casing, heats or cools it, humidifies it when needed and distributes it through the building; the supply and exha... More Details

In a reciprocating air compressor the crankshaft drives the pistons up and down through connecting rods; on every suction and discharge stroke a portion of air is compressed and se... More Details

A secondary impact crusher is the second-stage machine that takes stone from the primary stage and turns it into cubical chippings by flinging it with the blow bars of a horizontal... More Details

Crushed stone is split into saleable fractions, such as chippings, manufactured sand and graded aggregate, on the vibrating screen. A steel box sitting on springs holds two, three ... More Details

A belt conveyor works by an endless rubber or PVC belt, tensioned between two pulleys, running over carrying idlers. The belt carries the material, and what moves the belt is frict... More Details

A sanding machine smooths a wood or MDF surface before paint, varnish or lacquer, removing knife marks and differences in thickness. It comes in different sizes, from the small dis... More Details

On a hydraulic plastic injection moulding machine, the forces that close the mould, push the melt into the mould and eject the part all come from oil pressure; the electric motor t... More Details

The last stop in a flour mill is the packing section: flour arriving from the product silo is weighed and filled into different packages, from small retail bags to standard flour s... More Details

Paper and board converting machines turn paper delivered on reels, or corrugated board sheets, into narrow rolls, sheets, die-cut box blanks and glued boxes. This page is a sub-top... More Details

After passing through the crusher and the rollers, clay is still not a uniform body; its moisture varies from place to place, and additives such as sand, ash or sawdust are not yet... More Details

During firing, tiles and porcelain slabs travel on hundreds of horizontal ceramic rollers that form the floor of the kiln. The motors that keep these rollers turning all day and dr... More Details

Machines that cut salami, cheese, bread or vegetables into slices of equal thickness have one thing in common: they turn or oscillate a sharp cutter at a steady speed. This article... More Details

A wood lathe spins a piece of timber held between two centres or in a chuck; the turner rests a gouge on the tool rest, or a copy attachment moves a knife along a template, to give... More Details